Add some WinUI work

2024-11-17 21:25:27 +00:00
parent b5bf17821c
commit 796ef41e3f
25 changed files with 426 additions and 159 deletions
@@ -0,0 +1,79 @@
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.UI.Xaml;
+using Microsoft.UI.Xaml.Controls;
+using Microsoft.UI.Xaml.Data;
+using Toolkit.Foundation;
+
+namespace Toolkit.WinUI;
+
+[Bindable]
+public class TemplateControl :
+    ContentControl
+{
+    public TemplateControl()
+    {
+        DefaultStyleKey = typeof(TemplateControl);
+        Loaded += OnLoaded;
+    }
+
+    private void OnLoaded(object sender,
+        RoutedEventArgs args)
+    {
+        Loaded -= OnLoaded;
+
+        if (DataContext is IObservableViewModel observableViewModel)
+        {
+            if (observableViewModel.Provider is IServiceProvider provider)
+            {
+                if (provider.GetRequiredKeyedService<IContentTemplateDescriptor>(DataContext.GetType().Name.Replace("ViewModel", ""))
+                    is IContentTemplateDescriptor descriptor)
+                {
+                    if (provider.GetRequiredKeyedService(descriptor.TemplateType, descriptor.Key)
+                        is FrameworkElement control)
+                    {
+                        void HandleLoaded(object? sender, RoutedEventArgs args)
+                        {
+                            control.Loaded -= HandleLoaded;
+                            if (control.DataContext is object content)
+                            {
+                                if (content is IActivation activation)
+                                {
+                                    activation.IsActive = true;
+                                }
+                            }
+                        }
+
+                        void HandleDataContextChanged(FrameworkElement? sender, DataContextChangedEventArgs args)
+                        {
+                            if (control.DataContext is object content)
+                            {
+                                if (content is IActivation activation)
+                                {
+                                    activation.IsActive = true;
+                                }
+                            }
+                        }
+
+                        void HandleUnloaded(object? sender, RoutedEventArgs args)
+                        {
+                            control.Unloaded -= HandleUnloaded;
+                            if (control.DataContext is object content)
+                            {
+                                if (content is IActivation activation)
+                                {
+                                    activation.IsActive = false;
+                                }
+                            }
+                        }
+
+                        control.Loaded += HandleLoaded;
+                        control.Unloaded += HandleUnloaded;
+                        control.DataContextChanged += HandleDataContextChanged;
+
+                        Content = control;
+                    }
+                }
+            }
+        }
+    }
+}